英文關鍵字
apartment
background
battery
bottom
cast
central
climate
cold
comfort
convector
ecology
economy
empty
energy
equipment
floor
heat
heater
heating
home
hot
house
indoors
insurance
interior
iron
metal
old
pipe
power
price
protection
radiator
repair
room
season
steel
surface
system
temperature
top
video
vintage
wall
warm
warmth
white
window
winter